import re


# findAll 方法
def find_all():
    # 格式
    pattern = r'"url":"(.*?)"'
    # 搜寻字符串
    string = "{\"url\":\"www.pic.com\"}"

    # 返回list
    image_list = re.findall(pattern, string)
    print(image_list)


# search 方法
def search():
    re.search()
    pass

find_all()
search()